CN103896403A - Weight-bearing business type floating island and construction method - Google Patents
Weight-bearing business type floating island and construction method Download PDFInfo
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- CN103896403A CN103896403A CN201410110380.4A CN201410110380A CN103896403A CN 103896403 A CN103896403 A CN 103896403A CN 201410110380 A CN201410110380 A CN 201410110380A CN 103896403 A CN103896403 A CN 103896403A
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- 238000010276 construction Methods 0.000 title claims abstract description 40
- 238000007667 floating Methods 0.000 title claims abstract description 21
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 239000011159 matrix material Substances 0.000 claims abstract description 16
- 230000008635 plant growth Effects 0.000 claims abstract description 15
- 239000000463 material Substances 0.000 claims description 56
- 241000196324 Embryophyta Species 0.000 claims description 35
- 230000005484 gravity Effects 0.000 claims description 22
- 235000013311 vegetables Nutrition 0.000 claims description 17
- 244000025254 Cannabis sativa Species 0.000 claims description 15
- 239000003643 water by type Substances 0.000 claims description 14
- 239000001963 growth medium Substances 0.000 claims description 10
- 238000000034 method Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 238000004826 seaming Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 6
- 238000000746 purification Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000000758 substrate Substances 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 9
- 239000004800 polyvinyl chloride Substances 0.000 description 8
- 229920000915 polyvinyl chloride Polymers 0.000 description 8
- 239000002689 soil Substances 0.000 description 6
- 238000007726 management method Methods 0.000 description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 235000012055 fruits and vegetables Nutrition 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 244000082204 Phyllostachys viridis Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
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- 241001502129 Mullus Species 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000003337 fertilizer Substances 0.000 description 2
- 230000012010 growth Effects 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 229920000573 polyethylene Polymers 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
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- 239000000057 synthetic resin Substances 0.000 description 2
- 244000205574 Acorus calamus Species 0.000 description 1
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- 240000007087 Apium graveolens Species 0.000 description 1
- 235000015849 Apium graveolens Dulce Group Nutrition 0.000 description 1
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- 244000050510 Cunninghamia lanceolata Species 0.000 description 1
- 241000234646 Cyperaceae Species 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
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- 241001113425 Iridaceae Species 0.000 description 1
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- 244000143231 Scirpus validus Species 0.000 description 1
- 235000008573 Scirpus validus Nutrition 0.000 description 1
- 241000233945 Typhaceae Species 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
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- 238000003786 synthesis reaction Methods 0.000 description 1
- 235000003786 wild celery Nutrition 0.000 description 1
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Cultivation Of Plants (AREA)
Abstract
The invention relates to a weight-bearing business type floating island and a construction method, and belongs to the technical field of ecological comprehensive management engineering. The construction method comprises the following steps: constructing a flat construction field of a certain specification nearby a construction water area; assembling and splicing a floating island in the construction field; adding a plant growth matrix in a foamed substrate buoyancy bag; planting evergreen aquatic plants, aquatic flowers and herbal plants in the matrix; carrying and placing a prepared weight-bearing business type floating island in an immobile water area, and fixing or combining to obtain the weight-bearing business type floating island. Depending on a landscape construction demand, water surface is provided with a rowable weight-bearing business type floating island or production business type floating island. The weight-bearing business type floating island has the advantages of low construction cost, short construction time, easiness in operation and management of construction in a large area and wide application, and is applicable to lakes, large-area water areas and the like; the floating island is favorable for full development of ecological, ornamental, productive and economic benefits of the weight-bearing business type floating island.
Description
Technical field
The present invention relates to a kind of bearing type manageability chinampa and building method, particularly wetland artificial floating island is cultivated and wetland plant Landscape construction engineering, belongs to ecology synthesis and administers field of engineering technology.
Background technology
Bearing type manageability chinampa is applied also few in wetland landscape engineering, in prior art, a kind of is the careless row of trampling of the North Sea, Tengchong Area, Yunnan Province wetland natural style, be used for protecting wetland, near small towns sewage effluent is processed and the landscape effect of natural scenic spots with processing, but due to the Devoting Major Efforts To Developing of tourism recent years, crowd constantly pours in North Sea wetland, too much destruction natural style grass row's the natural restore cycle, for conservation of nature formula grass row's value has now been closed to visitor the open door policy, people experiences the glamour less than natural style grass row now, paddling natural style grass row enjoys a trip to the enjoyment of wetland.Another kind is that most domestic exists with the form of artificial floating island, adopt in the wet type chinampa of doing take foamed polystyrene as carrier, divide again and have framework and frameless, have the wet type chinampa of framework, its framework generally can add polystyrene foamed with fiber-reinforced plastic, stainless steel, special polystyrene foamed adds the materials such as Special synthetic resin, salinization ethene synthetic resins, concrete and makes.And planting aquatic plants thereon, add water surface operation, management and inconvenient operation, cause productive expense high.Also rest on the experimental phase, more difficult popularization and realize the application of engineering.
Summary of the invention
The object of the invention is to invent a kind of in extensive environmental improvement; can also offer that people's one is easy to operate, cheap, landscape effect is good and can produce economic benefit, the bearing type manageability chinampa that people also can participate and build chinampa method.
Bearing type manageability floating island construction method technical scheme of the present invention is: this chinampa includes bottom earth work grille net (8), middle level earth work grille net (5) and upper strata earth work grille net (1), between bottom earth work grille net (8) and middle level earth work grille net (5), be placed with several bubble anti-escape buoyancy bags of base material (6) that add, eachly add in the bubble anti-escape buoyancy bag of base material (6) that plantation is suitable does herbaceous plant, very spray grass, evergreen emergent (2), to add and steep the anti-escape buoyancy bag of base material (6) Corner Strapped on bottom earth work grille net (8) with band (7),
Between middle level earth work grille net (5) and upper strata earth work grille net (1), be equipped with several bubble base material buoyancy mesh bags (3) that add; Each adding, is steeped the anti-escape buoyancy bag of base material (6) Corner Strapped at middle level earth work grille net (5) above, and several gravity scattering rods (4) fixed placement is on middle level earth work grille net (5);
Fix three layers of earth work grille net (1,5,8), four limits around with several bands (7), around the parcel lock seaming of three layers of earth work grille net (1,5,8) edge, form single bearing type manageability chinampa with PVC band.
The building method on bearing type manageability chinampa, its characteristic is: the chinampa construction of bearing type manageability is made by following processing step:
1), first multiple workyards are set up near place construction region, waters, the other field of fetching earth of setting up in place, after plant growth medium is mixed according to proportioning, pack into and add bubble base material buoyancy mesh bag (3), and add in proportion bubble matrix and vegetable mould, then transport on construction ground, spread bottom earth work grille net (8), add the bubble anti-escape buoyancy bag of base material (6) upper installation of bottom earth work grille net (8), and will add and steep the anti-escape buoyancy bag of base material (6) Corner Strapped on bottom earth work grille net (8) with band (7), prevent from adding the bubble anti-escape buoyancy bag of base material (6) mobile,
2), cover again middle level earth work grille net (5) adding on the bubble anti-escape buoyancy bag of base material (6), and add bubble base material buoyancy mesh bag (3) upper laying of middle level earth work grille net (5), to add bubble base material buoyancy mesh bag (3) Corner Strapped upper at middle level earth work grille net (5), gravity scattering rod (4) will be fixed on to middle level earth work grille net (5) middle part simultaneously; Gravity scattering rod (4) is for keeping the balance on single bearing type manageability chinampa and allowing single bearing type manageability chinampa have certain deadweight;
3), re-lay upper strata earth work grille net (1), before upper strata earth work grille net (1) is laid, need be adding the waterplant (2) of planting in advance some needs in the bubble anti-escape buoyancy bag of base material (6) in planting matrix, carry out planting aquatic plants (2) according to the density of every square of wooden 3-6 clump, upper strata earth work grille net reserves plant-growth space in (1), and waterplant (2) can be grown at upper strata earth work grille net (1);
4), after three layers of earth work grille net (1,5,8) have been laid, with three layers of earth work grille net of the fixing upper strata middle level lower floor of several bands (7), four limit snap closes around, then lockstitch a border around three layers of earth work grille net (1,5,8) edge parcel with PVC band, allow reserved one section of PVC be with clip and to be positioned in bottom earth work grille net at bottom earth work grille net (8), and then the other end with clip is also fixing through middle level earth work grille net (5) and upper strata earth work grille net (1) by PVC;
5), the single bearing type manageability chinampa assembling or spliced is directly pulled into water from workyard, be placed in fixing waters, and be connected and fixed and lock/fasten, composition monoblock bearing type manageability chinampa after they being combined mutually with the PVC band clip that is reserved in each bearing type manageability chinampa bottom.
Describedly add bubble base material to add bubble base material buoyancy bag (6) consumption be 11 Dai/㎡; It is described that to add bubble base material buoyancy mesh bag (3) consumption be 11 Dai/㎡.
Described vegetable mould is 2:1 with adding bubble base material buoyancy mesh bag (3) ratio; Vegetable mould is 1:2 with the ratio that adds the bubble anti-escape buoyancy bag of base material (6), and gravity scattering rod (4) is embedded gravity scattering rod, diameter 30-50mm.
High and the certain landscape value of purification efficiency that the suitable plant of doing bearing type manageability chinampa is draft, waterplant type, and Dan Pinpin plantation or the plantation of many Cultivar mixtures.
Can be in conjunction with landscape construction needs after described bearing type manageability chinampa construction completes, bearing type manageability chinampa that can paddling in water surface setting.
Bearing type manageability of the present invention chinampa, utilizes environment friendly composite material and floating matter and metal gravity scattering rod, is made.Its suitability is high, can be in lake, water field of big area, river, beach, private savings waters etc., can apply therein.The anti-escape buoyancy bag of last layer is equipped with plant growth medium, and mixed herbaceous plant seeds forms waterplant, herbaceous plant (Spiked Loosestrife, mullet grass, Li Shi standing grain etc.) without soil plant structure and loop body.And we can add fruits and vegetables seed in plant substrates as required, form fruits and vegetables planting site in water.
The artificial bearing type manageability of the present invention chinampa comprises polythene net, anti-escape buoyancy bag, gravity scattering rod, herbaceous plant, emergent and evergreen waterplant root system itself, reach on the floating water surface, allow people participate in wherein, enjoy together beautiful scenery in water, utilize waterplant and the herbaceous plant on bearing type manageability chinampa to administer waters, not only greatly cost-saving, and easy handling and management, economic benefit is provided.
Accompanying drawing explanation
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is described in further detail, but they are not limitation of the invention.
Fig. 1 is the vertical planning drawing on bearing type manageability of the present invention chinampa.
Fig. 2 is the three-dimensional plot on bearing type manageability of the present invention chinampa.
In figure
:1-upper strata earth work grille net; 2-waterplant; 3-add and steep base material buoyancy mesh bag; 4-gravity scattering rod; 5-middle level earth work grille net; 6-add and steep the anti-escape buoyancy bag of base material; 7-band; 8-bottom earth work grille net.
Embodiment
Bearing type manageability of the present invention chinampa is contained: bottom earth work grille net 8, middle level earth work grille net 5, upper strata earth work grille net 1, and add therein bubble base material buoyancy mesh bag 3 and add the anti-escape buoyancy bag 6 of bubble base material, with gravity scattering rod 4, do herbaceous plant, very spray grass, evergreen emergent 2 the interior plantation of anti-escape buoyancy bag 6 is suitable, and make by following processing step: wherein * represents the meaning of taking advantage of, × number.
(1), first multiple workyards are set up near place construction region, waters, the other field of fetching earth of setting up in place, plant growth medium is mixed and packs buoyancy mesh bag into according to proportioning, and add in proportion bubble matrix and vegetable mould, then spread on construction ground bottom earth work grille net, the thick foam of 15-20cm is installed on bottom earth work grille net and is added the anti-escape buoyancy bag of bubble base material, and online bottom geotechnique with 4 × 300mm band Corner Strapped, prevent that buoyancy bag from moving;
(2), add the bubble anti-escape buoyancy bag upper cover of base material middle level earth work grille net at foam, and on the earth work grille net of middle level, lay 15-20cm thick add bubble base material buoyancy mesh bag, 4 × 300 Corner Strappeds are on the geonet of middle level, and gravity scattering rod footpath;
(3), re-lay upper strata earth work grille net, before earth work grille net is laid, planting aquatic plants in planting matrix in anti-escape buoyancy bag 6, carry out planting aquatic plants according to the density of every square of wooden 3-6 clump, upper strata earth work grille net reserves plant-growth space, and waterplant can be passed through to grow at upper strata earth work grille net;
(4), after three layers of geonet have been laid, with 40 pieces of 8 × 600mm bands, four limit snap closes around, then use 1 × 10 × 100PVC band around the lock seaming of three layers of earth work grille net parcel, continue to employ in advance 9 pieces of 1 × 10 × 1000mmPVC band clips at bottom and be placed on bottom earth work grille net, pass successively until upper strata earth work grille net is fixed;
(5), assemble and the bearing type manageability chinampa of having spliced is pulled into water from workyard always, be placed in fixing waters, and with snap close by they combination fixeds mutually, form a monoblock bearing type manageability chinampa.
Anti-escape buoyancy bag 6 consumptions of described foam are 11 Dai/㎡.
It is described that to add bubble base material buoyancy mesh bag 3 consumptions be 11 Dai/㎡,
Vegetable mould is 2:1 with adding bubble base material buoyancy mesh bag 3 ratios; Vegetable mould is 1:2 with the ratio that adds the anti-escape buoyancy bag 6 of bubble base material, and gravity scattering rod 4 is embedded gravity scattering rod, diameter 30-50mm.
Be that three layers of earth work grille net adopt the lock seaming of 1 × 10 × 1000PVC band, prewired splicing interface 8 × 600mm band 40 pieces (7) to be fixed.
High and the certain landscape value of purification efficiency that the suitable plant of doing bearing type manageability chinampa of the present invention is draft, waterplant type, and Dan Pinpin plantation or the plantation of many Cultivar mixtures.
Can be in conjunction with landscape construction needs after bearing type manageability chinampa construction of the present invention completes, bearing type manageability chinampa that can paddling in water surface setting.
Quantity and the specification of bearing type manageability of the present invention chinampa production site, can be according to the specific requirement such as floristics and field of employment and condition, and actual needs chinampa size, determines, can consider in process of production soil fertility condition.At production site, after withdrawing, spread lower endemic plant seed, in order to avoid destroy ecological.Be little, the water conservation of deadweight, fertilizer conservation, the easy plant growth medium (as: coir, detritus soil etc.) that departs from selecting plant growth medium.The suitable plant of doing chinampa be emergent, very spray grass, etc. dissimilar high waterplant or high very spray grass, wetland undershrub, the edible fruits and vegetables of landscape value of purification efficiency, these plants can be Typhaceae, Cyperaceae, Mayacaceae, Cannaceae, Iridaceae, Araeceae, Gramineae, Pontederiaceae, Lythraceae; As: Canna generalis Bailey, iris, mullet grass, papyrus, power flower, calamus, Scirpus tabernaemontani, Arundo donax, Li Shi standing grain etc. again.And carry out according to actual needs the plantation of single variety plantation or multiple Cultivar mixtures.Cultivate in plantation on bearing type manageability chinampa, waterplant rhizome is difficult for too large, and plant height is suitable.
In Fig. 1 and Fig. 2: 1 is upper strata earth work grille net (mesh aperture 50 × 50, every prolongation longitudinal stretching force-at-yield 45kn/m, every prolongation cross directional stretch force-at-yield 45kn/m); 2 for intending with herbaceous plant, enduring spray grass and evergreen emergent; 3 add foam substrate buoyancy mesh bag (note: adding foam matrix buoyancy mesh bag consumption is 11 Dai/㎡ for the thick 2:1 of 15-20cm, 4 × 300mm band Corner Strapped method, vegetable mould is 2:1 with buoyancy matrix ratio, add rubber powder in plant growth medium, composite fertilizer, coir than being 1:3:3, herbaceous plant is that 15g/ ㎡ iris, Li Shi standing grain ratio are 3:1, and buoyancy mesh bag adopts 40 × 30cm plant biological bag.); 4 is embedded gravity scattering rod/all footpath 30-50mm; 5 is middle level earth work grille net; 6 is that the thick 1:2 of 15-20cm adds the anti-escape buoyancy bag of foam matrix (vegetable mould is 1:2. with buoyancy matrix ratio for note: anti-escape buoyancy bag consumption is 11 Dai/㎡, 4 × 300mm band Corner Strapped method); 7 is 40 pieces of 1 × 10 × 1000PVC band lock seaming and prewired assembled interface 8 × 600mm bands; 8 is bottom earth work grille net.
First near construction waters, set up multiple smooth workyards, production site is near waters; 2, in raw place, complete splicing, be assembled into a bearing type manageability chinampa, adopt exoskeletal, frameless technology, built-in gravity scattering rod.All material uses pollution-free, ep-type material; 3, in anti-escape buoyancy bag, add plant growth medium, plant seed and vegetable mould are mixed and proceed to anti-escape buoyancy bag.Then according to density (being generally 3-6 Cong/㎡), in anti-escape buoyancy bag, cultivate the suitable waterplant of plantation, in process of growth, allow root system of plant, cover with in each anti-escape buoyancy bag and bearing type manageability chinampa one-piece construction mortise (assurance can reduce COD(chemical oxygen demand (COD) in water), nitrogen, phosphorus; Can also strengthen the stability of the structure on this chinampa); 4, average every square can carry 30-40kg, can trample simultaneously, jump for a minor of two adults.During trampling jump, chinampa is firm, not submerged; 5, whole chinampa assembled and combine after, in grown place, haul out and directly enter water, carry, be arranged to and specify the assembled pattern in waters and fixing (combination employing snap close, PVC rope, multiple bearing type manageabilities chinampa is arranged and connected according to difference, forming people can be in upper walking, play, fixing bamboo, the China fir timber of adopting specifying waters to carry out stake admittedly, to trample chinampa and be fixed on a certain region, and (managerial personnel operate in can directly stepping down in chinampa carry out maintenance in water, simplify the use instrument of other transportation means, handled easily); 5, after the construction of bearing type manageability chinampa completes, can need in conjunction with landscape construction, can be separated out several piece on bearing type manageability chinampa can paddling chinampa (paddling chinampa can be held and be drawn 10-20 minute, has clearly and indicate on chinampa, facilitates visitor better to experience wherein enjoyment).6, according to actual needs with envrionment conditions, can be on bearing type chinampa this greengrocery of waterplant as edible vegetable such as Wildcelery Herb, mater convolvulus.
As shown in Figure 1, this bearing type manageability floating island construction method is: 1, first multiple workyards are set up near place construction region, waters, in place, the other field of fetching earth of setting up, mixes plant growth medium to pack buoyancy mesh bag into according to proportioning, and pacifies ratio and add bubble matrix and vegetable mould.Then spread on construction ground bottom earth work grille net, the thick 2:1 of 15-20cm is installed on bottom earth work grille net and adds the anti-escape foam of bubble base material buoyancy bag, and with 4 × 300mm band Corner Strapped on bottom earth work grille net, prevent that buoyancy bag from moving (note: the anti-escape buoyancy bag of foam consumption is 11 bags/㎡).2, add the bubble anti-escape buoyancy bag upper cover of base material middle level earth work grille net at foam, and on the earth work grille net of middle level, lay the thick 1:2 of 15-20cm and add bubble base material buoyancy mesh bag (note: adding bubble base material buoyancy mesh bag consumption is 11 bags/㎡, with 4*300 Corner Strapped on the geonet of middle level), and embedded gravity scattering rod footpath 30-40cm.3, re-lay upper strata earth work grille net.Before earth work grille net is laid, planting aquatic plants in anti-escape buoyancy bag planting matrix, carries out planting aquatic plants according to the density of every square of wooden 3-6 clump.Upper strata earth work grille net reserves plant-growth space, and waterplant can be passed through to grow at upper strata earth work grille net.4,, after three layers of earth work grille net have been laid, with 40 pieces of 8 × 600mm bands, four limit snap closes around, then use 1 × 10 × 100PVC band around the lock seaming of three layers of geonets parcel.Continue to employ in advance 9 pieces of 1 × 10 × 1000mmPVC band clips at bottom and be placed in bottom geotechnique on the net, pass successively until upper strata geonet is fixed.5, assemble and the bearing type manageability chinampa of having spliced is pulled into water from workyard always, be placed in fixing waters, and with snap close by they combination fixeds mutually, form a monoblock bearing type manageability chinampa.Allow Li Shi standing grain and waterplant root system cover with and consolidate firmly with chinampa structure by regular hour and cultivation, priming cost is about 80 Yuan/㎡, do not comprise the expense such as transport charge, mounting cost, utilize this technology can be cost-saving, can also produce economic benefit when creating landscape function, and be easy to install, operation, management.
In Fig. 2:
1. topsoil grid (adopting polyvinyl chloride net, the easy Apparatus for strapping packages of size 3.2 × 2.2m and wrapping);
2. intend with herbaceous plant, endure spray grass, evergreen emergent or can produce fruits and vegetables;
3. the thick bubble base material buoyancy mesh bag (note: buoyancy papery is with vegetable mould than being 2:1, and consumption is 11 bags/square metre, adds growth matrix proportioning, and snap close 4 × 300mm Corner Strapped is at middle level soil grid) that adds of 15-20cm.
4. embedded two gravity scattering rod 30-50mm; Gravity scattering rod is embedded in middle level soil grid, plays balance and has certain Gravitative Loads.
5. middle level soil grid (note: size is 3m × 2m);
6. the thick anti-escape buoyancy bag of the bubble base material (note: buoyancy matrix is with vegetable mould than being 1:2, and consumption is 11 bags/square metre, snap close 4 × 300mm Corner Strapped that adds of 15-20cm;
7. 1 × 10 × 1000mmPVC band lock seaming, 40 pieces of prewired splicing interface 8 × 600 lock seamings;
8. bottom layer earth work grille net (note: size 3.2 × 2.2m, main clip 1 × 10 × 1000mmpvc is with 9 pieces, 15 pieces of insurance clip employing 8 × 600mm snap closes.)
Bearing type manageability of the present invention chinampa carrier itself is take geonet, anti-escape buoyancy bag, PVC band, built-in gravity scattering rod, the anti-escape buoyancy bag of root system of plant as main.Utilize the purification function of waterplant, macrobead suspended substance etc. in pollution element nitrogen in a large amount of planar water, phosphorus, water, the object purifying water.People can be participated, stand in the carrier of chinampa and enjoy together natural views.Therefore not only construction cost is lower on this chinampa, and easy handling and management, can also and other working procedures of engineering carry out simultaneously or carry out in advance, guarantee the performance as early as possible of bearing type manageability chinampa ecological benefits; And lowered engineering cost, and shorten the engineering time, for proposing contribution in environmental construction, can also create certain economic benefit.
Under tabulate bearing chinampa build feasibility:
| The design of domestic chinampa | The operational chinampa of bearing type | |
| Parameter | One deck | Double-deck |
| Material | Artistic floating matter, the plant growth medium etc. of wooden, bamboo, metallic substance, all size | The compound plant biological bag of environment-friendly type, Metallic rod, earth work grille net etc. |
| Carrier | Wooden skeleton, bamboo ribs frame, polythene net sheet | Adopt exoskeletal |
| Construction and maintenance management | Land occupation area is large, land operation, and it is large that the later stage is supported cost | Complete in the rear arrangement of installation water, in the direct water of maintenance, on chinampa, operate, only need regularly to clear up |
| Planting plants | Emergent, very spray grass, herbaceous plant | Emergent, very spray grass, herbaceous plant, fruits and vegetables class |
| Suitability | General milder wetland, big area pool | Be applicable to water field of big area, wetland, rivers, lake |
| Property of participation | Pollute for reward property, processing water | Hold drawing property, bearing, operational, appreciation effect |
| Production cost | Approximately 300/ ㎡ | 200/ square metre |
Claims (6)
1. a bearing type manageability chinampa, it is characterized in that this chinampa includes bottom earth work grille net (8), middle level earth work grille net (5) and upper strata earth work grille net (1), between bottom earth work grille net (8) and middle level earth work grille net (5), be placed with several bubble anti-escape buoyancy bags of base material (6) that add, eachly add in the bubble anti-escape buoyancy bag of base material (6) that plantation is suitable does herbaceous plant, very spray grass, evergreen emergent (2), to add and steep the anti-escape buoyancy bag of base material (6) Corner Strapped on bottom earth work grille net (8) with band (7)
Between middle level earth work grille net (5) and upper strata earth work grille net (1), be equipped with several bubble base material buoyancy mesh bags (3) that add; Each adding, is steeped the anti-escape buoyancy bag of base material (6) Corner Strapped at middle level earth work grille net (5) above, and several gravity scattering rods (4) fixed placement is upper at middle level earth work grille net (5),
Fix three layers of earth work grille net (1,5,8), four limits around with several bands (7), around the parcel lock seaming of three layers of earth work grille net (1,5,8) edge, form single bearing type manageability chinampa with PVC band.
2. the building method on bearing type manageability chinampa, its characteristic is: the chinampa construction of bearing type manageability is made by following processing step:
1), first multiple workyards are set up near place construction region, waters, the other field of fetching earth of setting up in place, after plant growth medium is mixed according to proportioning, pack into and add bubble base material buoyancy mesh bag (3), and add in proportion bubble matrix and vegetable mould, then transport on construction ground, spread bottom earth work grille net (8), add the bubble anti-escape buoyancy bag of base material (6) upper installation of bottom earth work grille net (8), and will add and steep the anti-escape buoyancy bag of base material (6) Corner Strapped on bottom earth work grille net (8) with band (7), prevent from adding the bubble anti-escape buoyancy bag of base material (6) mobile,
2), cover again middle level earth work grille net (5) adding on the bubble anti-escape buoyancy bag of base material (6), and add bubble base material buoyancy mesh bag (3) upper laying of middle level earth work grille net (5), to add bubble base material buoyancy mesh bag (3) Corner Strapped upper at middle level earth work grille net (5), gravity scattering rod (4) will be fixed on to middle level earth work grille net (5) middle part simultaneously; Gravity scattering rod (4) is for keeping the balance on single bearing type manageability chinampa and allowing single bearing type manageability chinampa have certain deadweight;
3), re-lay upper strata earth work grille net (1), before upper strata earth work grille net (1) is laid, need be adding the waterplant (2) of planting in advance some needs in the bubble anti-escape buoyancy bag of base material (6) in planting matrix, carry out planting aquatic plants (2) according to the density of every square of wooden 3-6 clump, upper strata earth work grille net reserves plant-growth space in (1), and waterplant (2) can be grown at upper strata earth work grille net (1);
4), after three layers of earth work grille net (1,5,8) have been laid, with three layers of earth work grille net of the fixing upper strata middle level lower floor of several bands (7), four limit snap closes around, then lockstitch a border around three layers of earth work grille net (1,5,8) edge parcel with PVC band, allow reserved one section of PVC be with clip and to be positioned in bottom earth work grille net at bottom earth work grille net (8), and then the other end with clip is also fixing through middle level earth work grille net (5) and upper strata earth work grille net (1) by PVC;
5), the single bearing type manageability chinampa assembling or spliced is directly pulled into water from workyard, be placed in fixing waters, and be connected and fixed and lock/fasten, composition monoblock bearing type manageability chinampa after they being combined mutually with the PVC band clip that is reserved in each bearing type manageability chinampa bottom.
3. bearing type manageability floating island construction method according to claim 1, its characteristic is: described in add bubble base material to add bubble base material buoyancy bag (6) consumption be 11 Dai/㎡; It is described that to add bubble base material buoyancy mesh bag (3) consumption be 11 Dai/㎡.
4. bearing type manageability floating island construction method according to claim 1, its characteristic is vegetable mould and adds bubble base material buoyancy mesh bag (3) than being 2:1; Vegetable mould is 1:2 with the ratio that adds the bubble anti-escape buoyancy bag of base material (6), and gravity scattering rod (4) is embedded gravity scattering rod, diameter 30-50mm.
5. bearing type manageability floating island construction method according to claim 1, its characteristic is: the high and certain landscape value of purification efficiency that the suitable plant of doing bearing type manageability chinampa is draft, waterplant type, and Dan Pinpin plantation or the plantation of many Cultivar mixtures.
6. bearing type manageability floating island construction method according to claim 1, its characteristic is: can be in conjunction with landscape construction needs after the chinampa construction of bearing type manageability completes, bearing type manageability chinampa that can paddling in water surface setting.
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